docs(10_Wiki): Dev 폴더 누락분 반영 — Topic_Programming으로 통합

이전 재구성 작업에서 Dev/ 폴더가 누락되었던 것을 반영.

- Dev/Topic_Programming(중첩 폴더, 78개)은 Dev 자체 최상위 폴더들
  (Architecture/Conventions/Engineering_Intelligence 등)과 완전 중복이라 제거.
- Dev 최상위 엔지니어링 지식 폴더(Architecture/Conventions/Engineering_Intelligence/
  Failure_Library/Generalized_Principles/Language/Pattern_Catalog/Platform_Guides/
  Subsystems, 77개)는 이미 Topic_Programming/Topic_Programming에 더 최신 버전이
  존재해 중복 제거(고유 콘텐츠 1개는 예외 처리하여 이동 보존).
- Dev의 W3Schools 언어 튜토리얼 폴더(Topic_C/CPP/CSS/CSharp/HOWTO/HTML/Java/
  JavaScript/PHP/Python/SQL/W3CSS, 1201개)는 전부 Topic_Programming 하위로 이동.
- 에이전트 운영 상태(.astra/docs)는 그대로 유지, 콘텐츠 폴더만 정리.
- Topic_Programming 최종 문서 수: 2784 → 3985.
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---
id: csharp-operators
title: "C# Operators"
category: "Programming_Language"
status: "draft"
verification_status: "conceptual"
canonical_id: ""
aliases: ["arithmetic operators C#", "C# 연산자"]
duplicate_of: ""
source_trust_level: "B"
confidence_score: 0.83
created_at: 2026-07-04
updated_at: 2026-07-04
review_reason: ""
merge_history: []
tags: ["csharp", "programming-language", "w3schools", "operators", "arithmetic"]
raw_sources: ["https://www.w3schools.com/cs/cs_operators.php"]
applied_in: []
github_commit: ""
---
# [[CSharp Operators]]
## 🎯 한 줄 통찰 (One-line insight)
The seven arithmetic operators (`+ - * / % ++ --`) and their exact symbols/semantics are unchanged across C, C++, and now C# — this chapter is the second (after Comments) where "how is C# different" has no answer at all, reinforcing that C#'s syntactic closeness to the C family is strongest at the expression-operator level and only diverges once whole-program structure (mandatory classes) or memory model (managed runtime) enters the picture. [S1]
## 🧠 핵심 개념 (Core concepts)
- **`+`** — addition; also usable to chain sums across variables (`sum2 = sum1 + 250;`). [S1]
- **`-`** — subtraction. [S1]
- **`*`** — multiplication. [S1]
- **`/`** — division. [S1]
- **`%`** — modulus (division remainder). [S1]
- **`++`** — increment, increases a variable's value by 1. [S1]
- **`--`** — decrement, decreases a variable's value by 1. [S1]
## 📖 세부 내용 (Details)
- Direct literal addition: `int x = 100 + 50;`. [S1]
- Chained variable addition: `int sum1 = 100 + 50; int sum2 = sum1 + 250; int sum3 = sum2 + sum2;` → 150, 400, 800. [S1]
## ⚖️ 모순 및 업데이트 (Contradictions & updates)
- **C/C++와 완전히 동일한 산술 연산자 집합**: `+ - * / % ++ --` 7개 연산자의 기호와 의미가 C/C++와 전혀 차이가 없다는 점이 이번 챕터에서 확인됨 — Comments 챕터에 이은 두 번째 "완전 동일" 사례. [S1]
## 🛠️ 적용 사례 (Applied in summary)
현재 발견된 실제 적용 사례가 없습니다 — 여러 변수를 연쇄적으로 더해 누적 합을 만드는 예제가 원문에서 제시됨. [S1]
## 💻 코드 패턴 (Code patterns)
Chained arithmetic across variables (C#):
```csharp
int sum1 = 100 + 50; // 150
int sum2 = sum1 + 250; // 400
int sum3 = sum2 + sum2; // 800
```
## ✅ 검증 상태 및 신뢰도
- **상태:** draft
- **검증 단계:** conceptual
- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
- **신뢰 점수:** 0.83
- **중복 검사 결과:** 신규 생성 (New discovery)
## 🔗 지식 그래프 (Knowledge Graph)
- **상위/루트:** [[C# Tutorial]]
- **관련 개념:** [[CSharp Operators Assignment]], [[CPP Operators Arithmetic]], [[C Operators]]
- **참조 맥락:** Operators 섹션 — Assignment Operators 챕터로 이어짐.
## 📚 출처 (Sources)
- [S1] W3Schools — C# Operators — https://www.w3schools.com/cs/cs_operators.php
## 📝 변경 이력 (Change history)
- 2026-07-04: Initial draft synthesized from the W3Schools "C# Operators" page (Astra wiki-curation, P-Reinforce v3.1 format).